To force quit any application on a Mac, you have several methods to choose from:

Method 1: Force Quit via Apple Menu

1.  Click the Apple icon in the top-left corner of your screen.
2.  Select Force Quit from the dropdown menu.
3.  In the “Force Quit Applications” window, select the application you want to quit.
4.  Click the Force Quit button.

Method 2: Keyboard Shortcut

1.  Press Command (⌘) + Option (⌥) + Esc on your keyboard.
2.  The “Force Quit Applications” window will appear.
3.  Select the application you want to quit.
4.  Click the Force Quit button.

Method 3: Activity Monitor

1.  Open Activity Monitor (you can find it in the Utilities folder within Applications).
2.  In the Activity Monitor window, find and select the application you want to quit.
3.  Click the Stop button (an “X” icon) in the top-left corner of the Activity Monitor window.
4.  In the dialog that appears, click Force Quit.

Method 4: Terminal

1.  Open Terminal (you can find it in the Utilities folder within Applications).
2.  Type ps -ax | grep <application name> to find the Process ID (PID) of the application you want to quit.
3.  Once you have the PID, type kill -9 <PID> and press Enter.

Using any of these methods will force the selected application to quit.